Abstract
In this paper, we establish a novel fractional numerical modification of the 5-point classical central formula; called the modified 5-point fractional formula for approximating the first fractional-order derivative in the sense of the Caputo operator. Accordingly, we then introduce a new methodology for Richardson extrapolation depending on the fractional central formula in order to obtain a high accuracy for the gained approximations. We compare the efficiency of the proposed methods by using tables and figures to show their reliability.
| Original language | English |
|---|---|
| Pages (from-to) | 9520-9534 |
| Number of pages | 15 |
| Journal | AIMS Mathematics |
| Volume | 8 |
| Issue number | 4 |
| DOIs | |
| State | Published - 2023 |
Keywords
- Caputo derivative
- Lagrange interpolating polynomial
- Richardson extrapolation
- Riemann-Liouville fractional derivative and integral
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